Deutsche WW2 Geschichte Puzzle

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Across
  1. 2. Day of the sinking of the Bismark
  2. 4. Never invade Russia during ______
  3. 6. Hitler's birthday
  4. 8. Atomic bombing of Nagasaki
  5. 9. Operation Barbarossa
Down
  1. 1. Invasion of Poland
  2. 3. First flight of the Fw-190
  3. 5. Operation Nordwind
  4. 7. End of the war